TY  - JOUR
AU  - Fefferman, C.
TI  - The Structure of Linear Extension Operators for $C^m$.
JO  - Revista matemática iberoamericana
PY  - 2007
SP  - 269
EP  - 280
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RMI_2007_2007_1_a11/
LA  - en
ID  - RMI_2007_2007_1_a11
ER  -